Space Exploration - Ask me anything

Why are meteor impacts not very common on Earth?

We imagine the solar system like this: That’s how it is in school science books. Unfortunately it does not reflect the

I’m going to start answering this question with this sentence: “ I fear the day when technology surpasses our humanity; The world

Weekly, the BBC Focus magazine solves some doubts of its readers. Below is a selection of their answers for the curious.

Right now we have no idea about the whole solar system, but we have some idea about the sun. The

When the helmet is removed, the following things will happen. His head would be exposed to about -270 ° C, that is

100 billion. One hundred billion chances that our galaxy has habitable zones like the one occupied by planet Earth in

There is one thing that few people know about the computers of the Apollo program. On the one hand there

Obviously, at a distance of more than 20.5 billion km, V’ger 1 is too far from the Sun for the

These are the sizes of the earth and the moon. The moon has a diameter of 3,474.2 km. By comparison, the

I assume that 299,792,458 m/s is a number that some perceive as “imperfect” and hence the question that rounds the